Surprise Glycerin Soap Parents - please supervise, especially with the heating, adding essential oil and cutting steps. 1 bar clear, unscented glycerin soap Small toys, shells, etc. to go inside the soap (make sure     the items aren't too small as they could go down the drain) Small loaf pans or small molds Essential oil Put a bar of soap in a bowl in the microwave and melt it until it liquefies (about 1 minute) or in the top of a double boiler on the stove. Pour 1/4 inch of this soupy soap into any mold that is 2 inches high. In about 3 minutes it will get a skin on the top. Lay the small objects to be encased in the soap on it, with the pretty side face down. Reheat the remaining soap jelly until it is completely liquefied again. Add just one drop of an essential oil, blend gently with a fork and pour it into the mold until the soap is 3/4 inch to 1 inch higher than the object inside. Wait about 30 minutes for it to harden. Run a knife around the sides of the soap and then to hold the mold upside down under hot water and band it on the counter . These steps are necessary to release the soap. Keep as is or cut it into chunky blocks and display in the bathroom.